Roles of liver
Breaking down old blood cells and storing the iron, detoxifing poisonous substances such as ethanol from alcohol
Name some metabolic reactions
sum of all the reactions in a cell or the body. The conversion of glucose to starch, glycogen and cellulose,
Reactions of respiration, reactions of photosynthesis ,
Organisms need energy for
chemical reactions to build larger molecules
• movement
• keeping warm.
Aerobic respiration
glucose + oxygen carbon dioxide + water
Anaerobic respiration
Glucose- lactic acid
Anaerobic respiration in plant and yeast cells
glucose- ethanol + carbon dioxide
What is oxygen debt
amount of extra oxygen the body needs after exercise to react with the
accumulated lactic acid and remove it from the cells.